Abstract
A 70-year-old woman suffered from high fever, right flank pain and anorexia. She had been undergoing chronic hemodialysis for the past seven years for renal failure due to chronic pyelonephritis. She also had hypotonic neurogenic bladder dysfunction with 80ml of residual urine. Antibiotics were given intravenously, but had no effect. Echogram, CT scan, and renal arteriography revealed multiple renal cysts (ACDK), and one was diagnosed as being purulent. The case was successfully treated by percutaneous puncture and drainage. An infected cyst is an unusual complication in ACDK.
